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How to use Assertion in response in Rest Assured?
We can use Assertion in response in Rest Assured. To obtain the Response we need to use the methods - Response.body or Response.getBody. Both these methods are a part of the Response interface.
Once a Response is obtained it is converted to string with the help of the asString method. This method is a part of the ResponseBody interface. We can then obtain the JSON representation of the Response body with the help of the jsonPath method. Finally, we shall verify the JSON content to explore a particular JSON key with its value.
We shall first send a GET request via Postman on a mock API URL and go through the Response body.
Using Rest Assured, we shall check if the value of the key - Location is Michigan.
Example
Code Implementation
import org.testng.Assert;
import org.testng.annotations.Test;
import static io.restassured.RestAssured.*;
import io.restassured.RestAssured;
import io.restassured.path.json.JsonPath;
import io.restassured.response.Response;
import io.restassured.response.ResponseBody;
import io.restassured.specification.RequestSpecification;
public class NewTest {
@Test
void respAssertion() {
//base URI with Rest Assured class
RestAssured.baseURI = "https://run.mocky.io/v3";
//input details
RequestSpecification h = RestAssured.given();
//get response
Response r = h.get("/0cb0e329-3dc8-4976-a14b-5e5e80e3db92");
//Response body
ResponseBody bdy = r.getBody();
//convert response body to string
String b = bdy.asString();
//JSON Representation from Response Body
JsonPath j = r.jsonPath();
//Get value of Location Key
String l = j.get("Location");
System.out.println(l);
// verify the value of key
Assert.assertTrue(l.equalsIgnoreCase("Michigan"));
}
}Output
Updated on: 22-Nov-2021
6K+ Views
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